Question

Solve 2x2 = 50.

A.
{±5}

B.
{±25}

C.
{±6}

D.
{±12.5}

Answer 1

Step 1: Divide both sides by 2
\[\frac{ 2x^2 }{ 2 } = \frac{ 50 }{ 2 }\]
Which equals:
\[x^2 = 25\]

Answer 2

Step 2. Take the Square Root of 25:
\[x = \pm \sqrt{25}\]
Which equals:
\[x = 5 ~or~ x = -5\]

Answer 3

\[Answer: \pm 5\]